package com.chen.conf;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
@EnableCaching
class RedisConfig {

//
//    @Bean
//    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
//        RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
//        template.setConnectionFactory(factory);
//        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
//        ObjectMapper om = new ObjectMapper();
//        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
//        om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance , ObjectMapper.DefaultTyping.NON_FINAL);
//
//
//        jackson2JsonRedisSerializer.setObjectMapper(om);
//        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
//        // key采用String的序列化方式
//        template.setKeySerializer(stringRedisSerializer);
//        // hash的key也采用String的序列化方式
//        template.setHashKeySerializer(stringRedisSerializer);
//        // value序列化方式采用jackson
//        template.setValueSerializer(jackson2JsonRedisSerializer);
//        // hash的value序列化方式采用jackson
//        template.setHashValueSerializer(jackson2JsonRedisSerializer);
//        template.afterPropertiesSet();
//        return template;
//    }


    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(factory);

        // ✅ 构建 ObjectMapper（相当于你之前的 om）
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.registerModule(new JavaTimeModule()); // 支持 LocalDateTime
        om.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);

        // ✅ 激活多态（代替已弃用的 activateDefaultTyping）
        om.activateDefaultTyping(
                BasicPolymorphicTypeValidator.builder()
                        .allowIfBaseType(Object.class)
                        .build(),
                ObjectMapper.DefaultTyping.NON_FINAL
        );

        // ✅ 用新版构造函数直接传入 ObjectMapper
        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer =
                new Jackson2JsonRedisSerializer<>( om,Object.class);

        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();

        // key 采用 String 序列化方式
        template.setKeySerializer(stringRedisSerializer);
        template.setHashKeySerializer(stringRedisSerializer);

        // value 序列化方式采用 Jackson
        template.setValueSerializer(jackson2JsonRedisSerializer);
        template.setHashValueSerializer(jackson2JsonRedisSerializer);

        template.afterPropertiesSet();
        return template;
    }
}